/**
 * 
 */
package com.scaffold.commons;

import java.io.OutputStream;

import wangjg.commons.character.Random;

/**
 * @author wangjg
 *
 */
public class CaptchaUtil {
	private int length = 4;

	public CaptchaUtil() {
		
	}

	public String getText(){
		return Random.getRandomString(length);
	}

	public void printImg(OutputStream out){
		
	}
	
}
